:root{--bg-deep:#f2eee9;--bg-surface:#fffdf9;--bg-elevated:#fefaf5;--border-soft:#e6ded5;--border-accent:#dcc9bb;--text-primary:#2a241f;--text-secondary:#6f6358;--text-muted:#a69688;--accent-primary:#d46a4a;--accent-dark:#b85333;--accent-secondary:#e88c6a;--cancel-primary:#b85c4a;--accent-glow:#d46a4a33;--shadow-sm:0 2px 8px #0000000a, 0 1px 2px #0000000f;--shadow-md:0 12px 28px #00000014, 0 2px 4px #00000005;--shadow-focus:0 0 0 3px #d46a4a40;--radius-card:20px;--radius-bubble:18px;--radius-pill:40px}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text-primary);-webkit-font-smoothing:antialiased;background:linear-gradient(145deg,#ede8e2 0%,#f4f0eb 100%);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:#e2d9d0;border-radius:10px}::-webkit-scrollbar-thumb{background:var(--accent-primary);border-radius:10px}.app-container{background:var(--bg-deep);flex-direction:column;max-width:820px;min-height:100vh;margin:0 auto;display:flex;box-shadow:0 0 40px #00000005}.app-header{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:10;background:#f2eee9f0;border-bottom:2px solid #d46a4a26;padding:1.5rem 2rem .75rem;position:sticky;top:0}.header-content{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:1rem;display:flex}.brand-title{flex-wrap:wrap;align-items:baseline;gap:14px;display:flex}.brand-title h1{letter-spacing:-.02em;color:#0000;background:linear-gradient(135deg,#3a2e26 0%,#b85c4a 60%,#d46a4a 100%);-webkit-background-clip:text;background-clip:text;margin:0;font-size:1.8rem;font-weight:650}.live-badge{color:var(--accent-primary);background:#d46a4a2e;border:.5px solid #d46a4a4d;border-radius:100px;align-items:center;gap:6px;padding:4px 12px;font-size:.7rem;font-weight:600;display:inline-flex}.live-dot{background:var(--accent-primary);border-radius:50%;width:7px;height:7px;animation:1.2s infinite pulse;display:inline-block}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.15)}}.brand-sub{letter-spacing:.5px;color:var(--text-secondary);margin-top:6px;font-size:.7rem;font-weight:500}.model-badge{background:var(--bg-surface);box-shadow:var(--shadow-sm);border:1px solid var(--border-soft);border-radius:50px;gap:12px;padding:6px 16px;display:flex}.model-chip,.tweet-count{color:var(--text-secondary);font-size:.7rem;font-weight:500}.model-chip{letter-spacing:-.3px;color:var(--accent-primary);font-family:SF Mono,monospace}.header-divider{background:linear-gradient(90deg, var(--accent-primary), var(--border-soft), transparent);opacity:.5;height:2px;margin-top:1rem}.chat-area{flex-direction:column;flex:1;gap:1.8rem;padding:2rem 2rem 1rem;display:flex}.message-wrapper{flex-direction:column;gap:6px;animation:.3s ease-out fadeSlide;display:flex}@keyframes fadeSlide{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message-wrapper.user{align-items:flex-end}.message-wrapper.assistant{align-items:flex-start}.message-meta{letter-spacing:.3px;color:var(--text-secondary);align-items:center;gap:8px;margin-left:6px;font-size:.7rem;font-weight:600;display:flex}.assistant-avatar{background:linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));color:#fff;border-radius:20px;justify-content:center;align-items:center;width:24px;height:24px;font-size:.7rem;display:inline-flex}.message-bubble{border-radius:var(--radius-bubble);max-width:82%;padding:12px 20px;transition:all .2s}.message-bubble.user{border:1px solid var(--border-soft);box-shadow:var(--shadow-sm);background:linear-gradient(135deg,#fffdf9 0%,#fef9f3 100%);border-bottom-right-radius:6px}.message-bubble.assistant{background:var(--bg-surface);border:1px solid var(--border-soft);box-shadow:var(--shadow-sm);border-bottom-left-radius:6px}.message-text{color:var(--text-primary);font-size:.95rem;font-weight:430;line-height:1.55}.loading-bubble{padding:14px 22px}.typing-indicator{align-items:center;gap:7px;display:flex}.typing-indicator span{background-color:var(--accent-primary);border-radius:50%;width:7px;height:7px;animation:1.2s infinite wave}.typing-indicator span:first-child{animation-delay:0s}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes wave{0%,60%,to{opacity:.5;transform:translateY(0)}30%{opacity:1;transform:translateY(-8px)}}.result-card{border:1px solid;border-radius:20px;margin-top:18px;padding:0;transition:all .2s;overflow:hidden}.result-header{border-bottom:1px solid;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:14px 18px;display:flex}.result-badge{align-items:center;gap:10px;display:flex}.result-icon{font-size:1.3rem}.result-verdict{letter-spacing:-.2px;font-size:.9rem;font-weight:700}.result-confidence{color:var(--text-secondary);background:#0000000a;border-radius:40px;padding:4px 12px;font-size:.7rem;font-weight:600}.result-scores{flex-direction:column;gap:18px;padding:16px 18px;display:flex}.score-bar-container{width:100%}.score-bar-header{letter-spacing:.4px;color:var(--text-secondary);justify-content:space-between;margin-bottom:6px;font-size:.68rem;font-weight:650;display:flex}.score-label{text-transform:uppercase}.score-value{font-weight:750}.score-bar-track{background-color:#e2d6cc;border-radius:20px;height:6px;overflow:hidden}.score-bar-fill{border-radius:20px;height:100%;transition:width .5s cubic-bezier(.2,.9,.3,1.1)}.result-footer{color:var(--text-muted);background:#00000005;border-top:1px solid #0000000d;justify-content:space-between;padding:10px 18px;font-family:SF Mono,monospace;font-size:.6rem;display:flex}.examples-container{flex-wrap:wrap;gap:10px;padding:.5rem 2rem 1rem;display:flex}.example-pill{background:var(--bg-surface);border:1px solid var(--border-accent);color:var(--text-secondary);cursor:pointer;box-shadow:var(--shadow-sm);border-radius:40px;align-items:center;gap:8px;padding:7px 16px;font-size:.75rem;font-weight:500;transition:all .2s;display:inline-flex}.example-pill i{color:var(--accent-primary);font-size:.7rem}.example-pill:hover{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff;transform:translateY(-2px);box-shadow:0 6px 14px #d46a4a40}.example-pill:hover i{color:#fff}.input-section{background:linear-gradient(to top, var(--bg-deep), transparent);padding:1rem 2rem 2rem}.input-card{background:var(--bg-surface);border:1.5px solid var(--border-accent);box-shadow:var(--shadow-md);border-radius:32px;align-items:flex-end;gap:10px;padding:6px 8px 6px 22px;transition:all .2s;display:flex}.input-card:focus-within{border-color:var(--accent-primary);box-shadow:var(--shadow-focus)}.tweet-input{resize:none;color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;padding:13px 0;font-family:Inter,monospace;font-size:.95rem}.tweet-input::placeholder{color:var(--text-muted);font-weight:400}.send-button{color:#a69688;cursor:pointer;background:#ebe2d8;border:none;border-radius:100px;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.2rem;transition:all .2s;display:flex}.send-button.active{background:linear-gradient(135deg, var(--accent-primary), var(--accent-dark));color:#fff;box-shadow:0 4px 12px #d46a4a66}.send-button.active:hover{background:linear-gradient(135deg,#d97a58,#c45e3e);transform:scale(1.03)}.send-button.inactive{cursor:not-allowed;opacity:.5}.input-footer{justify-content:space-between;margin-top:14px;padding:0 10px;display:flex}.char-counter{color:var(--accent-primary);background:#d46a4a1f;border-radius:30px;padding:3px 10px;font-size:.7rem;font-weight:500}.model-hint{color:var(--text-secondary);align-items:center;gap:6px;font-size:.7rem;display:flex}.model-hint i{color:var(--accent-primary);font-size:.7rem}@media (width<=680px){.app-container{max-width:100%}.message-bubble{max-width:90%}.app-header,.chat-area,.examples-container,.input-section{padding-left:1rem;padding-right:1rem}.brand-title h1{font-size:1.5rem}}